The VT320 is the text-only version, while the VT330 adds monochrome ReGIS, Sixel and Tektronix 4010 graphics, and the VT340 adds color. The 300 series replaced the earlier VT200 series, as a lower-cost system better able to compete with a number of VT220 clones that had entered the market.

2019年9月30日 · The DEC VT340 is a color graphics terminal introduced in April, 1987 at a price of $2,795. Manx. Installing and Using The VT330/VT340 Video Terminal, May, 1988; VT330/VT340 Programmer Reference Manual, Volume 1: Text Programming, March, 1987; VT330/VT340 Programmer Reference Manual, Volume 2: Graphics Programming, May, 1988

The VT340 feature two different ways of showing color graphics: as vectors using ReGIS or as bitmaps using Sixels. (It could also do Tektronix 4014 graphics). Unlike its primitive ancestor, the VK100 (AKA "Gigi"), the VT340 does not use "ANSI color" for text. Instead, the VT340 shows all text on the screen in one color. It is not yet clear why ...

It explains the general purpose of the terminal emulator and describes the start-up of the operator panel. This documentation contains the functional description of the terminal emulator with the …

VT340 VIDEO TERMINAL The VT340 is a text and color graphics video termi-nal that is compatible with the VT241. The VT340 supports different versions of Digital’s LK201 cor-porate keyboard, for different languages. The VT340 uses a four-plane bitmap to display 16 colors at a time, from a palette of 4096 possible colors.

If you are a programmer, this manual provides the information you need to program the graphics features of the VT330 or VT340 video terminal. This manual is the second volume of a two-volume set. The first volume covers text programming.

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The VT330 and VT340 use different forms of output mapping. The VT340 uses a color monitor and a 4-plane bitmap. The VT330 uses a monochrome monitor and a 2-plane bitmap. The next two sections describe the differences between the VT330 and VT340. Then the following sections describe the command formats for monochrome and color displays.

VT330/VT340 Programmer Reference Manual Chapter 12 Contents Chapter 14 13 4010/4014 Mode. The VT300 can support industry-standard Tektronix 4010/4014 software packages. This chapter describes how to select and use 4010/4014 mode. The chapter assumes you have a working knowledge of Tektronix 4010/4014 capabilities.

The VT340 has four graphics planes. To enable writing or erasing in all graphics planes, you must use W(F15). This command also works for the VT240 and the VT330.